[H]Sim Unlock Successful but no signal from AT&T - Sprint HTC One (M7)

i did the 3rd step from the sim unlock tutorial because im from 4.4.2.. so what i did is downgrade the radio and a sense rom of 4.1.2( s-off, bootloader unlocked and rooted) then i did the one with android terminal emulator but after i reboot i still got no signal then i tried the sprint htc one sim unlock helper but still i got no signal.. i will be going to other country and use my htc one internationally.. what should i do? can any one help me? thank you in advance

http://forum.xda-developers.com/showthread.php?t=2386703&page=41 check out my post I just got my sprint HTC one working on ATT

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[Q] Help with international SIM Unlock (I can pay)

Hello,
I am currently living in Europe and i have a Sprint M8. Unfortunately s-off is not compatible with my phone (u might know about the whelp message).
I dont know even if this is possible, but if any of u guys has a contract with SPRINT, can you request an international SIM Unlock (GSM) for me (i dont need unlock for USA carriers, just for other international carriers)?
I can pay if the fee is acceptable.
Thanx!
first why would you get the Sprint version if you live abroad?
second sprint can unlock it so long as its payed off (not on someones contract) and hasnt been reported lost or stolen. just call sprint
Sent from my 831C using XDA Free mobile app
I cant call sprint from where I live. If somebody can do it for me im willing to pay.
I contacted Sprint from their Live Chat, and they told me i have to have an active contract with them in order to unlock. Which i dont have
Can anybody help?
Sim unlock method for sprint htc one m8
here you can find Sim unlock method for sprint htc one m8
http://forum.xda-developers.com/showthread.php?t=2718150
if you have any issue then read all that post above, if you fail pm me.
maethem said:
here you can find Sim unlock method for sprint htc one m8
http://forum.xda-developers.com/showthread.php?t=2718150
if you have any issue then read all that post above, if you fail pm me.
Click to expand...
Click to collapse
The problem is that i cannot S-OFF my phone with firewater, my device is not supported unfortunately. Im sending u a PM
Sim unlock method for sprint htc one m8
blackice666 said:
The problem is that i cannot S-OFF my phone with firewater, my device is not supported unfortunately. Im sending u a PM
Click to expand...
Click to collapse
Just yesterday i'm s-offed my Sprint m8 without any problem, Just follow the instruction here http://firewater-soff.com/instructions/ after unlocking your phone bootlaoder & installing custom recovery which it's will root your phone, then follow the unlock method in this post (http://forum.xda-developers.com/showthread.php?t=2718150).
maethem said:
Just yesterday i'm s-offed my Sprint m8 without any problem, Just follow the instruction here http://firewater-soff.com/instructions/ after unlocking your phone bootlaoder & installing custom recovery which it's will root your phone, then follow the unlock method in this post (http://forum.xda-developers.com/showthread.php?t=2718150).
Click to expand...
Click to collapse
Firewater dosent work on some devices, and I am one of the unlucky ones... There is also a Bounty thread regarding this issue:
http://forum.xda-developers.com/showthread.php?t=2733870
blackice666 said:
Firewater dosent work on some devices, and I am one of the unlucky ones... There is also a Bounty thread regarding this issue:
http://forum.xda-developers.com/showthread.php?t=2733870
Click to expand...
Click to collapse
if you want to try something on your responsibility then you can follow the sim unlock method without s-off (remember to make nand backup) & try if you get your device unlocked, if not then you will need to enable gsm band with QPST, with modified HTCOMADM_SPCS.apk.
I followed all that sim unlock method but my device still locked & i can't select gsm networks then i enabled it with QPST & all things worked ok.
the difference between us is s-off only.
I already tried it and the .apk files on /system/apps are replaced after i make the reboot. I guess this is why s-off is needed... I think i have to wait for the new s-off. Or till somebody with a Sprint contract will help me (if it is even possible since im in europe right now)
Sent from my HTC One_M8 using XDA Free mobile app
blackice666 said:
I already tried it and the .apk files on /system/apps are replaced after i make the reboot. I guess this is why s-off is needed... I think i have to wait for the new s-off. Or till somebody with a Sprint contract will help me (if it is even possible since im in europe right now)
Sent from my HTC One_M8 using XDA Free mobile app
Click to expand...
Click to collapse
Try the following on you responsibility
- You should know your SPC, you can read it with CDMA Workshop or CDMA DFS Tool.
- Install QSPT (http://forum.xda-developers.com/showthread.php?t=2263391)
- enable diag mode ##3424#
- open QPST configuration, from port tab add your device diagnostics port.
- from start clients tab choose service programming then ok & click on read from phone.
- on system tab choose automatic for roam preferences.
- on UMTS System tab choose any for pref service domain & any band (last bottom right) for proffered band.
- click write to phone, then your device should work on GSM mode with modified HTCOMADM_SPCS.apk.
I'm with rooted, S-Off , bootloader unlocked HTC One M8 Sprint variant... I've even tried sim unlock... But it's still not accepting GSM sim cards... I think we need to have specific Prl update or UICC unlock for it to work
Prongsss said:
I'm with rooted, S-Off , bootloader unlocked HTC One M8 Sprint variant... I've even tried sim unlock... But it's still not accepting GSM sim cards... I think we need to have specific Prl update or UICC unlock for it to work
Click to expand...
Click to collapse
geeez... guess I can try one of those unlock sites..

[Q] unlock GSM HTC One M7 (C-spire carrier)

Hi guys.
Have got HTC ONE M7 from C-spire carrier.
Wanna use GSM on it like on Sprint HTC ONE M7.
Have done all steps to root it, unlock it etc but no result.
When I put sim card and dial *#*#4636#*#* I cant choose GSM( and it doesn't see the network.:crying:
Could you please help to solve this issue PLEASEeee?
hello. i have same phone for unlock. any possibility?

[Q] HTC One M7 Unlock in Sprint

Hi ,
I am having HTC one with Sprint network. After my contract they provided me MSL code [/I]to unlock it.
I already rooted my Android phone and I installed viber one custom ROM.
Please let me know how to unlock my device completely.
Thanks,
Amar

HTC One M8 sprint edition marshmallow locked sim

Hi,
So I run into that problem eventually.
I am not from the states and I bought the phone unlocked from a friend.
After some months of use the Not a valid sim card popped up.
I contacted HTC support and they didn't know how to fix this.
I am thinking of removing the sprint rom completely and installing the Unlocked/Developer one.
I am not a pro with these stuff so I would like to ask if that would be possible and if I could do something else instead.
The phone runs with 6.20.651.3 marshmallow.
Thanks in advance.
Is your phone s-off ?? U cant unlock the phone just by flashing the unlocked developer version . Try the sim unlocked methods posted in sprint htc m8 general fourms
Sent from my htc_m8 using Tapatalk

How to SIM Unlock HTC One M7 Sprint on Lollipop 5.0.2

Hello Guys,
I just lost my phone and a friend of mine gave me one that he is not using anymore because he did not know how to unlock it so he bought a new one. Now I have that phone and it happens to be an HTC One M7 from Sprint, it is running Android 5.0.2 with HTC Sense 6.0, Software 6.23.651.10. I booted in recovery mode and it says it is Relocked, S-Off, Hboot is 1.61. Also, there is one option that says simlock and if I click on it then it says SD init fail (within the recovery mode menu).
The phone is rooted, I managed to do it via Kingo App and I just need to get it working in another GSM network, I have been looking for information about this but all I have found is info for when we were back in Android 4.2.3 and tried to go with it but it does not work.
If anyone can please help me find a solution so I can unlock this phone I would really appreciate it.

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